Absorbent article having improved comfort during use by improved fit even when loaded and improved rewet performance

Abstract

Absorbent article comprising an absorbent core with a crotch region and at least one waist region, whereby said crotch region has a lower ultimate fluid storage capability than said at least one waist region. The article further has an improved fluid handling performance in particular a low rewet value for minimizing skin hydration during use, such as measured by the post acquisition collagen rewet method value not exceeding 180 mg.

What is claimed is:  
     
       1. Absorbent article comprising an absorbent core comprising a crotch region and one or more waist regions, 
       whereby said crotch region has a lower ultimate fluid storage capability than one or more waist regions together,  
       characterized in that  
       said article has a crotch region Post Acquisition Collagen Rewet Method value of less than 180 mg.  
     
     
       2. An absorbent article according to claim  1 , wherein said article has a crotch region Post Acquisition Collagen Rewet Method value of less than 80 mg. 
     
     
       3. An absorbent article according to claim  2 , 
       wherein said article has a crotch region Post Acquisition Collagen Rewet Method value of less than 70 mg.  
     
     
       4. An absorbent article according to claim  3 , wherein the article has a crotch region Post Acquisition Collagen Rewet Method value of less than 50 mg. 
     
     
       5. An absorbent article according to claim  1 , 
       wherein said crotch region has a sectional ultimate fluid storage capacity of less than 49% of the total core ultimate fluid storage capacity.  
     
     
       6. An absorbent article according to claim  5 , 
       wherein said crotch region has a sectional ultimate fluid storage sectional capacity of less than 41% of the total core ultimate fluid storage capacity.  
     
     
       7. An absorbent article according to claim  6 , 
       wherein said crotch region has a sectional ultimate fluid storage sectional capacity of less than 23% of the total core ultimate fluid storage capacity.  
     
     
       8. An absorbent article according to claim  1 , 
       further characterized in that  
       the length of the crotch region is half of the length of the total absorbent core.  
     
     
       9. An absorbent article according to claim  1 , 
       further characterized in that it  
       comprises an ultimate liquid storage material providing at least 80% of the total ultimate storage capacity of the absorbent core.  
     
     
       10. An absorbent article according to claim  9 , 
       further characterized in that  
       said ultimate liquid storage material provides at least 90% of the total ultimate storage capacity of the absorbent core.  
     
     
       11. An absorbent article according to claim  1 , 
       further characterized in that  
       said ultimate liquid storage material comprises superabsorbent polymers.  
     
     
       12. An absorbent article according to claim  1 , 
       further characterized in that  
       said ultimate liquid storage material comprises no superabsorbent polymers.  
     
     
       13. An absorbent article according to claim  1 , 
       further characterized in that said ultimate liquid storage material comprises an open cell absorbent foam material.  
     
     
       14. An absorbent article according to claim  13 , wherein said absorbent foam materials is derived from a high internal phase water-in-oil emulsion. 
     
     
       15. An absorbent article according to claim  1 , further characterized in that at least 50% of the area of said crotch region contain essentially no ultimate storage capacity. 
     
     
       16. An absorbent article according to claim  1 , further characterised in that less than 50% of said ultimate storage capacity are positioned forwardly from the crotch zone in the front half of the article, and more than 50% of said ultimate storage capacity are positioned in the rear half of the article. 
     
     
       17. An absorbent article according to claim  16 , wherein less than 33% of said ultimate storage capacity are positioned forwardly from the crotch zone in the front half of the article, and more than 67% of said ultimate storage capacity are positioned in the rear half of the article. 
     
     
       18. An absorbent article according to claim  1 , further characterised that the article has in said crotch region an Acquisition performance of at least 0.5 ml/sec for the fourth gush. 
     
     
       19. An absorbent article according to claim  1 , wherein said crotch region comprises a material having a flux at 12.4 cm of more than 0.075 g/cm2/sec. 
     
     
       20. An absorbent artide according to claim  1 , wherein said crotch region comprises a material obtainable by a post-formation treatment of a chemically bonded wet laid web comprising stiffened cellulosic fibres, eucalyptus type of fibres and and chemical binder resin. 
     
     
       21. An absorbent article comprising an absorbent core having an average ultimate fluid storage basis capacity, the absorbent core comprising a crotch region and one or more waist regions, 
       whereby said crotch region has a lower ultimate fluid storage capability than one or more waist regions together,  
       wherein said crotch region has an ultimate fluid storage basis capacity of less than 0.9 times the average ultimate fluid storage basis capacity of the absorbent core.  
     
     
       22. An absorbent article according to claim  21 , 
       wherein said crotch region has an ultimate fluid storage basis capacity of less than 0.7 times the average ultimate fluid storage basis capacity of the absorbent core.  
     
     
       23. An absorbent article according to claim  22 , 
       wherein said crotch region has an ultimate fluid storage basis capacity of less than 0.5 times the average ultimate fluid storage basis capacity of the absorbent core.  
     
     
       24. An absorbent article according to claim  23 , 
       wherein said crotch region has an ultimate fluid storage basis capacity of less than 0.3 times the average ultimate fluid storage basis capacity of the absorbent core.